Stored XSS in FacturaScripts History View Enables Admin Browser Attack

Publication date: 2026-02-02

Last updated on: 2026-02-23

Assigner: GitHub, Inc.

Description

FacturaScripts is open-source enterprise resource planning and accounting software. In 2025.71 and earlier, a Stored Cross-Site Scripting (XSS) vulnerability was discovered in the Observations field. The flaw occurs in the History view, where historical data is rendered without proper HTML entity encoding. This allows an attacker to execute arbitrary JavaScript in the browser of viewing the history by administrators.

CVSS Scores

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Meta Information

Published

2026-02-02

Last Modified

2026-02-23

Generated

2026-07-06

AI Q&A

2026-02-03

EPSS Evaluated

2026-07-05

NVD

CVE-2026-23997

Affected Vendors & Products

Vendor	Product	Version / Range
facturascripts	facturascripts	to 2025.71 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-79	The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

Executive Summary

This vulnerability is a Stored Cross-Site Scripting (XSS) flaw in FacturaScripts software versions 2025.71 and earlier. It occurs in the Observations field within the History view, where historical data is displayed without proper HTML entity encoding. This allows an attacker to inject and execute arbitrary JavaScript code in the browsers of administrators who view the history.

Impact Analysis

The vulnerability can allow attackers to execute arbitrary JavaScript in the browsers of administrators, potentially leading to unauthorized actions such as stealing session tokens, performing actions on behalf of the administrator, or compromising the integrity and confidentiality of the system.

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